6.8C Calculating Speed

Which two measurements are needed in order to calculate the speed of an object in motion?

• distance and time

• time and mass

• force and distance

• volume and time

A golf ball is hit a distance of 400 yards in 20 seconds. What is the speed of the golf ball?

What is the formula for calculating TIME?

• distance/time

• distance/speed

• speed x time

• speed/time

What is the formula for calculating DISTANCE?

• distance/time

• distance/speed

• speed x time

• speed/time

Dave runs a 400 m race with a speed of 4 m/s. What time will it take him to finish the race?

• 400 minutes
• 100 minutes
• 100 seconds 
• .25 seconds 

Which of the following is a unit of speed?

• km/hr
• hr
• km
• s

Which of the following is a unit of distance ?

• miles/hr
• hr
• km
• min

Which of the following is a unit of time?

• sec
• mi
• m/s
• km

Mr. Rudman speed walked 2 miles in 10 minutes, what is his speed?

• 0.2 miles/min
• 2 miles/min
• 20 miles/min
• 40 miles/min

Mr. Rudman drives his race car for 4 hrs at 150 miles/hr. How far will he travel?

• 600 km
• 60 miles
• 6 miles
• 600 miles